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SpaceRussia

Lotos-S1 (Liana)

SIGINT satellite constellationIn servicePending verification

Also known as: 14F145, Liana

SpaceRUS
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Fact cardConfidence · Source
System
TypeSIGINT satellite constellation
Alternative designations14F145, Liana
ProliferationOrigin country only
Satellites8Kosmos 2502 (2014) to Kosmos 2580 (2024); ninth planned 2026Med[1]
First launch2014Med[1]
ContractorsTsSKB-Progress (bus), KB Arsenal (payload)Med[1]
Orbit
Orbit regimeLEOMed[1]
Orbit901 km × 910 km, 67.15°Med[1]
Summary

ELINT component of Russia's Liana system, replacing Tselina-2.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
Russia
Sources
  1. Lotos-S1 (14F145), Gunter's Space Page
    Tier 3 · checked 2026-11-08
Change log
  • 2026-11-08 Entry created from cited open sources